<template>
  <div class="register">
    <el-form
      ref="registerForm"
      :model="registerForm"
      :rules="registerRules"
      class="register-form"
    >
      <h3 class="title">威廉英国房源 · 管理中枢</h3>
      <el-form-item prop="username">
        <el-input
          v-model="registerForm.username"
          type="text"
          auto-complete="off"
          placeholder="账号"
        >
          <svg-icon
            slot="prefix"
            icon-class="user"
            class="el-input__icon input-icon"
          />
        </el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input
          v-model="registerForm.password"
          type="password"
          auto-complete="off"
          placeholder="密码"
          @keyup.enter.native="handleRegister"
        >
          <svg-icon
            slot="prefix"
            icon-class="password"
            class="el-input__icon input-icon"
          />
        </el-input>
      </el-form-item>
      <el-form-item prop="confirmPassword">
        <el-input
          v-model="registerForm.confirmPassword"
          type="password"
          auto-complete="off"
          placeholder="确认密码"
          @keyup.enter.native="handleRegister"
        >
          <svg-icon
            slot="prefix"
            icon-class="password"
            class="el-input__icon input-icon"
          />
        </el-input>
      </el-form-item>
      <el-form-item prop="code" v-if="captchaOnOff">
        <el-input
          v-model="registerForm.code"
          auto-complete="off"
          placeholder="验证码"
          style="width: 63%"
          @keyup.enter.native="handleRegister"
        >
          <svg-icon
            slot="prefix"
            icon-class="validCode"
            class="el-input__icon input-icon"
          />
        </el-input>
        <div class="register-code">
          <img :src="codeUrl" @click="getCode" class="register-code-img" />
        </div>
      </el-form-item>
      <el-form-item style="width: 100%">
        <el-button
          :loading="loading"
          size="medium"
          type="primary"
          style="width: 100%"
          @click.native.prevent="handleRegister"
        >
          <span v-if="!loading">注 册</span>
          <span v-else>注 册 中...</span>
        </el-button>
        <div style="float: right">
          <router-link class="link-type" :to="'/login'"
            >使用已有账户登录</router-link
          >
        </div>
      </el-form-item>
    </el-form>
    <!--  底部  -->
    <div class="el-register-footer">
      <span>
        Copyright © 2022-{{ new Date().getFullYear() }} 威廉英国房源 William
        UK Estates. All Rights Reserved.
      </span>
    </div>
  </div>
</template>

<script>
import { getCodeImg, register } from "@/api/login";

export default {
  name: "Register",
  data() {
    const equalToPassword = (rule, value, callback) => {
      if (this.registerForm.password !== value) {
        callback(new Error("两次输入的密码不一致"));
      } else {
        callback();
      }
    };
    return {
      codeUrl: "",
      registerForm: {
        username: "",
        password: "",
        confirmPassword: "",
        code: "",
        uuid: "",
      },
      registerRules: {
        username: [
          { required: true, trigger: "blur", message: "请输入您的账号" },
          {
            min: 2,
            max: 20,
            message: "用户账号长度必须介于 2 和 20 之间",
            trigger: "blur",
          },
        ],
        password: [
          { required: true, trigger: "blur", message: "请输入您的密码" },
          {
            min: 5,
            max: 20,
            message: "用户密码长度必须介于 5 和 20 之间",
            trigger: "blur",
          },
        ],
        confirmPassword: [
          { required: true, trigger: "blur", message: "请再次输入您的密码" },
          { required: true, validator: equalToPassword, trigger: "blur" },
        ],
        code: [{ required: true, trigger: "change", message: "请输入验证码" }],
      },
      loading: false,
      captchaOnOff: true,
    };
  },
  created() {
    this.getCode();
  },
  methods: {
    getCode() {
      getCodeImg().then((res) => {
        this.captchaOnOff =
          res.captchaOnOff === undefined ? true : res.captchaOnOff;
        if (this.captchaOnOff) {
          this.codeUrl = "data:image/gif;base64," + res.img;
          this.registerForm.uuid = res.uuid;
        }
      });
    },
    handleRegister() {
      this.$refs.registerForm.validate((valid) => {
        if (valid) {
          this.loading = true;
          register(this.registerForm)
            .then((res) => {
              const username = this.registerForm.username;
              this.$alert(
                "<font color='red'>恭喜你，您的账号 " +
                  username +
                  " 注册成功！</font>",
                "系统提示",
                {
                  dangerouslyUseHTMLString: true,
                  type: "success",
                }
              )
                .then(() => {
                  this.$router.push("/login");
                })
                .catch(() => {});
            })
            .catch(() => {
              this.loading = false;
              if (this.captchaOnOff) {
                this.getCode();
              }
            });
        }
      });
    },
  },
};
</script>

<style rel="stylesheet/scss" lang="scss">
.register {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  background: radial-gradient(circle at 60% -10%, #ffffff 0%, #f3f6fb 45%, #e4ecf7 100%);
  color: #0f172a;
}
.title {
  margin: 0px auto 30px auto;
  text-align: center;
  color: #0f172a;
  font-size: 22px;
  letter-spacing: 0.2em;
}

.register-form {
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.98);
  width: 440px;
  padding: 32px 32px 16px 32px;
  box-shadow: 0 40px 80px rgba(15, 23, 42, 0.14);
  border: 1px solid rgba(148, 163, 184, 0.2);
  .el-input {
    height: 42px;
    input {
      height: 42px;
      background: rgba(248, 250, 252, 0.9);
      border: 1px solid rgba(148, 163, 184, 0.32);
      color: #0f172a;
      border-radius: 14px;
      transition: border 0.3s ease, box-shadow 0.3s ease;
      &::placeholder {
        color: rgba(100, 116, 139, 0.68);
      }
      &:focus {
        border-color: rgba(10, 132, 255, 0.55);
        box-shadow: 0 0 0 3px rgba(10, 132, 255, 0.12);
        background: rgba(255, 255, 255, 1);
      }
    }
  }
  .input-icon {
    height: 42px;
    width: 14px;
    margin-left: 2px;
    color: rgba(148, 163, 184, 0.8);
  }
  .el-button--primary {
    background: linear-gradient(135deg, #0a84ff 0%, #5ac8fa 100%);
    border: none;
    border-radius: 16px;
    box-shadow: 0 18px 36px rgba(10, 132, 255, 0.26);
    letter-spacing: 0.28em;
    font-weight: 600;
  }
  .el-button--primary:hover,
  .el-button--primary:focus {
    background: linear-gradient(135deg, #5ac8fa 0%, #0a84ff 100%);
    box-shadow: 0 20px 38px rgba(90, 200, 250, 0.28);
  }
}
.register-tip {
  font-size: 13px;
  text-align: center;
  color: rgba(100, 116, 139, 0.75);
}
.register-code {
  width: 33%;
  height: 42px;
  float: right;
  img {
    cursor: pointer;
    vertical-align: middle;
    border-radius: 12px;
    border: 1px solid rgba(148, 163, 184, 0.3);
  }
}
.el-register-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: rgba(55, 65, 81, 0.65);
  font-family: "SF Pro Text", -apple-system, BlinkMacSystemFont, "Segoe UI",
    Arial, sans-serif;
  font-size: 12px;
  letter-spacing: 1px;
}
.register-code-img {
  height: 42px;
}
</style>
